Qingdao?Alstom?Railway?Equipment?Co.,?Ltd.,?was?established?in?1999?by?Alstom?and?Sifang?Rolling?Stock?Institute,?working?on?production,?maintenance?and?services?of?hydraulic?dampers.??The?full?range?of?production?technology,?equipment,?tools,?and?DISPEN?parts?are?from?Alstom?France?Creusot.?The?Ministry?of?Railways?in?China?identifies?Qingdao?Alstom?Railway?Equipment?Co.?Ltd?as?the?designated?damper?supplier??for?all?bided?railway?train?cars.